Error consuming webservice, content type “application/xop+xml” does not match expected type “text/xml”
问题 I\'m having a weird issue when consuming a webservice for a product that my company has bought. The product is called Campaign Commander and it\'s made by a company called Email Vision. We\'re trying to use the \"Data Mass Update SOAP API\". Whenever I try to call any of the methods on the webservice, the call actually succeeds but the client fails when processing the response and I get an exception. The details of the errors are below, thanks for any help you guys can offer. Error using Web